reporter: the shooting comes less than a month after a gunman killed 20 students and six adults at sandy hook elementary school in connecticut. the news of the incident crossed as vice president joe biden was meeting with gun rights advocates to discuss ways to prevent mass shootings. the school normally has an armed is of, but wasn't in today because of snow and -- officer, but he wasn't in today because of the notice and there's no official word on what the shooting might be. >>> meantime vice president biden holding another run on of talks to discuss ways to reduce gun violence. today the vice president met with pro gun groups including the nra. he told them common ground can be found to prevent the types of mass shootings we've seen recently. >> as the president said, even if what we do only saves one life, it makes sense and i think we can do a great deal without in any way imposing on or impinging on the rights of the second amountment, that the second amendment guarantees. >> after the meeting the national rifle association complained the talks did not focus on protecting children